Primary Follicular Lymphoma in the Rectum Incidentally Found on Screening Colonoscopy.

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Primary Follicular Lymphoma in the Rectum Incidentally Found on Screening Colonoscopy.

Korean J Gastroenterol. 2017 Feb 25;69(2):139-142

Authors: Pyeon SI, Song GA, Baek DH, Kim GH, Lee BE, Lee SJ, Yoon JB, Han SY, Park DY

Abstract
The gastrointestinal tract is the most common site of extra-nodal non-Hodgkin lymphoma. However, the incidence of primary rectal lymphoma is extremely rare. Among the primary gastrointestinal lymphomas, follicular lymphoma has been described as a rare disease. It is difficult to diagnose rectal lymphoma due to its variable growth patterns and inadequate biopsies. Majority of patients with rectal lymphoma have non-specific symptoms or negative biopsies, often delaying the diagnosis. Our patient is a 62-year-old female. Two sessile and smooth subepithelial lesions with a yellowish normal mucosa were found on a screening colonoscopy. The initial mucosal biopsy finding was chronic inflammation, but we were highly suspicion of malignancy; we performed an endoscopic mucosal resection. Herein, we present a rare case of rectal follicular lymphoma diagnosed by endoscopic mucosal resection with a literature review.

PMID: 28239083 [PubMed - indexed for MEDLINE]

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